164028460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{115513}}^1$

素因数の和:115593

約数の個数: 24

約数和(自身を含む): 349314336

約数和(自身を除く): 185285876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 115513, 231026, 462052, 577565, 1155130, 2310260, 8201423, 16402846, 32805692, 41007115, 82014230, 164028460]

約数ペア:

[(1, 164028460), (2, 82014230), (4, 41007115), (5, 32805692), (10, 16402846), (20, 8201423), (71, 2310260), (142, 1155130), (284, 577565), (355, 462052), (710, 231026), (1420, 115513)]